Denend/x402-canton-facilitator: ops/testnet/MIGRATION.md

# TestNet / MainNet deploy runbook The facilitator is network-driven by env. Nothing in the container is network-specific: `CANTON_NETWORK`, `CANTON_SCAN_URL`, `CANTON_SYNCHRONIZER_ID`, and the OIDC vars fully determine which network it serves. Deploying to TestNet or MainNet means standing up the s